x = 2
s = "hello"
l = false
y = 3.0

xs = {2, 3, 4}
ys = {10.0, 2.2, 5.7}
zs = {{1.0, 2.0, 2.5}, {3.0, 4.0, 3.5}}

function make_array()
    local a = {}
    local b = {}
    local c = {}

    c[1] = {}
    c[2] = {}

    for i = 1, 5, 1 do
        a[i] = i
        b[i] = i + 1.0
        c[1][i] = i + 2.0
        c[2][i] = i + 3.0
    end
    c[1][6] = 0.0
    c[2][6] = 0.0
    return c, a, b
end

